Analysis

  • max time kernel
    138s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 19:12

General

  • Target

    90251e43cdd68d8c070a8180eb78fdfc113d4e2ff40733af3a3332c51744eae4.exe

  • Size

    1.5MB

  • MD5

    06af0401aecc9790eba539a0104ee492

  • SHA1

    aab2d55f1489d364efe7b939eadb248b5022cba1

  • SHA256

    90251e43cdd68d8c070a8180eb78fdfc113d4e2ff40733af3a3332c51744eae4

  • SHA512

    19561d373013c2148480b60e5682a6af820cdd9443bfd7ac31885d6f8706dbddf6a8ca823c8270e1aa71d02f85dd4bd7ced72b4923cfc6de8f57f641ff43860d

  • SSDEEP

    24576:zykRQJVu8VgorcHsJvivI/xtXStQ+wc2ybyXaXNE74Nz5fPy+f1n7v72gEh:Gkyfu8VgorcHs9iW/yGXao+9LN7v72

Malware Config

Extracted

Family

redline

Botnet

kedru

C2

77.91.124.86:19084

Signatures

  • Detect Mystic stealer payload 3 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90251e43cdd68d8c070a8180eb78fdfc113d4e2ff40733af3a3332c51744eae4.exe
    "C:\Users\Admin\AppData\Local\Temp\90251e43cdd68d8c070a8180eb78fdfc113d4e2ff40733af3a3332c51744eae4.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2720
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PF8JS6jI.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PF8JS6jI.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3628
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KT0yk3eB.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KT0yk3eB.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2360
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\xH9kB2vw.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\xH9kB2vw.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4364
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Lz5bv3kP.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Lz5bv3kP.exe
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:4464
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1ah95nh1.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1ah95nh1.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:3184
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                  PID:4192
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 580
                  7⤵
                  • Program crash
                  PID:2892
              • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Qv918ty.exe
                C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Qv918ty.exe
                6⤵
                • Executes dropped EXE
                PID:2760
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3184 -ip 3184
      1⤵
        PID:2152

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Defense Evasion

      Modify Registry

      1
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PF8JS6jI.exe
        Filesize

        1.3MB

        MD5

        aec7b76c8c3c954cc7e94257f31e8b8c

        SHA1

        97e63aac098cdf4bfb5bde92f2f46f55a294fdfd

        SHA256

        afe7248558713f8acf7c39c85b3a0a8f783bb2bb72cdd38aa42097906de07e1b

        SHA512

        1252d4843335ec830a9ba96a64f46d3e76ffb591567299bf198d15e53788187deacf94c1a7637690dbfdf056943fff84df8a57ecc2b090434fda112836d37e6e

      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KT0yk3eB.exe
        Filesize

        1.2MB

        MD5

        350b273927124dda717d49f5d4d2aa37

        SHA1

        102110cc33f0d520ae0edcf8c828e1931a46ab31

        SHA256

        5f9844aebb1a71d978d4f94b04502e7afad5bad66e85ef976f4016f9ea46717e

        SHA512

        bc600ef070dedbf339c73112bdb24611ddf4507c9f26eafa9d0c0e26dd1b1ba5d2d056c608139ab426179eec5b5d7771fd206d419ed3be4ee6a1f54d1d8dc2c0

      • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\xH9kB2vw.exe
        Filesize

        768KB

        MD5

        407c117980d1c20fb2a317f8b71e0a5d

        SHA1

        2321875fcc36370030bf5884659b3ebb61a2c421

        SHA256

        2b94a27dfc42973064d60d19f07faf32b55ba8f5a09fd669df959b9b2f624271

        SHA512

        29aee90ea399fac76c68b35185d70fc0c6f28ac7287fd39bb0247a1b419592d5c818293a95eb1467d337215629ad7bac1f6147a8e39258aa02893a95f85b3740

      • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Lz5bv3kP.exe
        Filesize

        573KB

        MD5

        6a2a6e714adea39d232a38e93acddf4c

        SHA1

        f24ebc4142532ebfa82dd062c95744559f280c18

        SHA256

        b3f5139e53257b58bbde7b442aaed89fd04750d5fa1b1b4fdf1fbc41db609fd6

        SHA512

        036268fb2f1850c58361ece714a1c9708d9bf868967173ea351e3955a65276e2f576896f0e5bea50230a2af8da216d618d684cd2f6380fff1ed4949a842bbf7b

      • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1ah95nh1.exe
        Filesize

        1.1MB

        MD5

        dbc35dd6e920a6317ad78a9b9c67633a

        SHA1

        a758c9ff62b4630266c855ba09fd32e757790ea8

        SHA256

        d45d227e5441db9335f21140b879a81af94d9a145b4e3a0fc740ec13f132d188

        SHA512

        728b5f1c043184229597d01ddf3944030b660fa84e4d9aac162adb8b0dbaf4981dc50009bf0d697b90a8e7e0d9f42722d292cff6c25406bd7caa61b3482b484c

      • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2Qv918ty.exe
        Filesize

        219KB

        MD5

        ef73b0024c8cda728f245dfe8bba4cc3

        SHA1

        c3a0b07af09029f9c01f09eff256ae1de0fb5196

        SHA256

        7a102bc16dc7769772efb6fcee29a3ee424391b337237ac088529530af560649

        SHA512

        81841e93173d8a3ac5dc721f5699005ef12f33bfa55a8e7ef08ddb46ffb07c0e0286752dc9886473f4c6c0af0743e061eb8bd3161e47a9de3409a3d65f55955f

      • memory/2760-42-0x00000000006A0000-0x00000000006DC000-memory.dmp
        Filesize

        240KB

      • memory/2760-44-0x0000000007450000-0x00000000074E2000-memory.dmp
        Filesize

        584KB

      • memory/2760-43-0x0000000007A00000-0x0000000007FA4000-memory.dmp
        Filesize

        5.6MB

      • memory/2760-45-0x0000000004A90000-0x0000000004A9A000-memory.dmp
        Filesize

        40KB

      • memory/2760-48-0x0000000007690000-0x00000000076A2000-memory.dmp
        Filesize

        72KB

      • memory/2760-49-0x0000000007820000-0x000000000785C000-memory.dmp
        Filesize

        240KB

      • memory/2760-50-0x0000000007860000-0x00000000078AC000-memory.dmp
        Filesize

        304KB

      • memory/2760-47-0x00000000078F0000-0x00000000079FA000-memory.dmp
        Filesize

        1.0MB

      • memory/2760-46-0x00000000085D0000-0x0000000008BE8000-memory.dmp
        Filesize

        6.1MB

      • memory/4192-36-0x0000000000400000-0x0000000000433000-memory.dmp
        Filesize

        204KB

      • memory/4192-35-0x0000000000400000-0x0000000000433000-memory.dmp
        Filesize

        204KB

      • memory/4192-38-0x0000000000400000-0x0000000000433000-memory.dmp
        Filesize

        204KB